Finding the Fourth Proportional to 176,536.13, 243,618.89 and 100,069.70
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Solution
The fourth proportional to 176,536.13, 243,618.89 and 100,069.70 is: 138,095.63
Step by Step Solution
- Step 1: Write the proportion equation
176,536.13 : 243,618.89 = 100,069.70 : x - Step 2: Convert to fraction form
176,536.13/243,618.89 = 100,069.70/x - Step 3: Cross multiply
176,536.13x = 243,618.89 × 100,069.70 - Step 4: Simplify right side
176,536.13x = 24,378,867,518.19 - Step 5: Solve for x
x = 24,378,867,518.19/176,536.13 - Step 6: Final answer
x = 138,095.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.